/* Arabic realtime voice agent - instrument UI
   No build step, no framework, no CDN. System fonts only. */

:root{
  --bg:         #090b0e;
  --panel:      #0e1216;
  --panel-2:    #12171d;
  --raise:      #161c23;
  --line:       #1d242c;
  --line-soft:  #161b22;

  --txt:        #e7edf3;
  --txt-2:      #93a1b0;
  --txt-3:      #5b6875;

  --accent:     #4fd6b8;
  --accent-ink: #0a1a17;
  --accent-6:   rgba(79,214,184,.06);
  --accent-14:  rgba(79,214,184,.14);
  --accent-30:  rgba(79,214,184,.30);

  --warn:       #e3a548;
  --warn-14:    rgba(227,165,72,.14);
  --err:        #ea6459;
  --err-14:     rgba(234,100,89,.14);

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  /* System Arabic faces only. Naskh first, then the platform defaults. */
  --ar: "SF Arabic", "Geeza Pro", "Al Bayan", "Noto Naskh Arabic", "Noto Sans Arabic",
        "Segoe UI", "Tahoma", "Arabic Typesetting", "Times New Roman", serif;

  --r: 10px;
}

*{ box-sizing:border-box; }

/* An author `display` rule beats the UA stylesheet's [hidden]{display:none},
   so any element given display:flex below would ignore the hidden attribute.
   This caught the direct-mode banner showing in mock mode. */
[hidden]{ display:none !important; }

html,body{ height:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

code{ font-family:var(--mono); font-size:.92em; color:var(--txt-2); }
b{ font-weight:600; }

.shell{
  max-width:1360px;
  margin:0 auto;
  padding:26px 26px 40px;
}

.dot-sep{
  display:inline-block; width:3px; height:3px; border-radius:50%;
  background:var(--txt-3); vertical-align:middle; margin:0 8px 2px;
}

/* ───────────────────────── header ───────────────────────── */

.head{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:24px; flex-wrap:wrap;
  padding-bottom:16px;
}

.head-id{ display:flex; gap:14px; align-items:center; min-width:0; }

/* small level-meter mark, not an emoji or an icon font */
.mark{ display:flex; align-items:center; gap:3px; height:26px; flex:0 0 auto; }
.mark i{ width:3px; border-radius:2px; background:var(--accent); opacity:.5; }
.mark i:nth-child(1){ height:9px; }
.mark i:nth-child(2){ height:17px; opacity:.8; }
.mark i:nth-child(3){ height:26px; opacity:1; }
.mark i:nth-child(4){ height:14px; opacity:.7; }
.mark i:nth-child(5){ height:7px; }

h1{
  margin:0;
  font-size:17px;
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.25;
}

.sub{
  margin:3px 0 0;
  font-size:12px;
  color:var(--txt-2);
}

.head-state{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 12px 6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--txt-2);
  white-space:nowrap;
}
.pill-dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--txt-3);
  flex:0 0 auto;
}
.pill[data-state="connecting"]{ color:var(--txt); border-color:var(--accent-30); }
.pill[data-state="connecting"] .pill-dot{ background:var(--accent); animation:blink 1s steps(2,end) infinite; }
.pill[data-state="connected"],
.pill[data-state="listening"]{ color:var(--accent); border-color:var(--accent-30); background:var(--accent-6); }
.pill[data-state="listening"] .pill-dot,
.pill[data-state="connected"] .pill-dot{ background:var(--accent); box-shadow:0 0 0 3px var(--accent-14); }
.pill[data-state="listening"] .pill-dot{ animation:pulse 1.6s ease-out infinite; }
.pill[data-state="thinking"]{ color:var(--warn); border-color:rgba(227,165,72,.34); background:var(--warn-14); }
.pill[data-state="thinking"] .pill-dot{ background:var(--warn); animation:blink .75s steps(2,end) infinite; }
.pill[data-state="speaking"]{ color:var(--txt); border-color:var(--accent-30); background:var(--accent-6); }
.pill[data-state="speaking"] .pill-dot{ background:var(--accent); animation:pulse .9s ease-out infinite; }
.pill[data-state="error"],
.pill[data-state="closed"]{ color:var(--err); border-color:rgba(234,100,89,.34); background:var(--err-14); }
.pill[data-state="error"] .pill-dot,
.pill[data-state="closed"] .pill-dot{ background:var(--err); }

@keyframes blink{ 50%{ opacity:.25; } }
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 var(--accent-30); }
  70%{ box-shadow:0 0 0 7px rgba(79,214,184,0); }
  100%{ box-shadow:0 0 0 0 rgba(79,214,184,0); }
}

.chips{ display:flex; gap:6px; flex-wrap:wrap; }
.chip{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--txt-3);
  border:1px solid var(--line-soft);
  border-radius:6px;
  padding:5px 8px;
  background:var(--panel);
  white-space:nowrap;
}
.chip b{ color:var(--txt-2); font-weight:500; }
.chip.warnish{ border-color:rgba(227,165,72,.28); }
.chip.warnish b{ color:var(--warn); }

.status-detail{
  margin:0 0 18px;
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--txt-3);
  border-top:1px solid var(--line-soft);
  padding-top:10px;
}
.status-detail.bad{ color:var(--err); }

/* ───────────────────────── banner ───────────────────────── */

.banner{
  display:flex; gap:12px; align-items:flex-start;
  border:1px solid var(--line);
  border-left:2px solid var(--accent);
  border-radius:var(--r);
  background:var(--panel);
  padding:12px 14px;
  margin-bottom:16px;
}
.banner-tag{
  font-family:var(--mono); font-size:10px; letter-spacing:.16em;
  color:var(--accent-ink); background:var(--accent);
  padding:3px 7px; border-radius:4px; flex:0 0 auto; margin-top:1px;
  font-weight:600;
}
.banner-body{ font-size:12.5px; color:var(--txt-2); }
.banner-body b{ color:var(--txt); }

/* ───────────────────────── controls ───────────────────────── */

.controls{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  margin-bottom:18px;
}

.btn{
  font-family:var(--sans);
  font-size:12.5px;
  font-weight:500;
  color:var(--txt);
  background:var(--raise);
  border:1px solid var(--line);
  border-radius:7px;
  padding:8px 14px;
  cursor:pointer;
  transition:border-color .12s ease, background .12s ease, color .12s ease;
}
.btn:hover:not(:disabled){ border-color:#2b3641; background:#1a2129; }
.btn:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.btn:disabled{ opacity:.38; cursor:not-allowed; }
.btn-primary{
  background:var(--accent); border-color:var(--accent); color:var(--accent-ink); font-weight:600;
}
.btn-primary:hover:not(:disabled){ background:#63e2c6; border-color:#63e2c6; }

/* The replay entry point. It is an <a>, so it needs the line-height and
   text-decoration reset that a <button> gets for free, or it sits a pixel or
   two off the baseline of the real buttons beside it. Deliberately not
   btn-primary: starting the microphone is still the main action. */
.btn-replay{
  text-decoration:none; line-height:normal; display:inline-flex; align-items:center;
  border-style:dashed; color:var(--txt-2);
}
.btn-replay:hover{ color:var(--txt); border-style:solid; border-color:var(--accent); }

.controls-note{
  font-family:var(--mono); font-size:11px; color:var(--txt-3);
  margin-left:2px;
}

/* ───────────────────────── panels ───────────────────────── */

.panel{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r);
  padding:14px 16px 16px;
}

.panel-head{
  display:flex; align-items:baseline; gap:12px; flex-wrap:wrap;
  padding-bottom:12px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line-soft);
}
.panel-head h2{
  margin:0;
  font-family:var(--mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--txt-2);
  white-space:nowrap;
}
.panel-note{ font-size:11.5px; color:var(--txt-3); }
.panel-foot{
  margin:12px 0 0; padding-top:10px;
  border-top:1px solid var(--line-soft);
  font-size:11.5px; color:var(--txt-3);
}

.empty{
  font-family:var(--mono); font-size:11.5px; color:var(--txt-3);
  padding:14px 2px;
}

/* ───────────────────────── latency strip ───────────────────────── */

.strip-panel{ margin-bottom:16px; }

.strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:8px;
  overflow:hidden;
}
.stage{ background:var(--panel-2); padding:14px 16px 12px; }
.stage-k{
  font-family:var(--mono); font-size:10px; letter-spacing:.11em;
  text-transform:uppercase; color:var(--txt-3);
}
.stage-v{ display:flex; align-items:baseline; gap:5px; margin:6px 0 4px; }
.num{
  font-family:var(--mono);
  font-size:30px;
  font-weight:500;
  letter-spacing:-.02em;
  color:var(--txt);
  font-variant-numeric:tabular-nums;
  line-height:1.05;
}
.stage.set .num{ color:var(--accent); }
.unit{ font-family:var(--mono); font-size:12px; color:var(--txt-3); }
.stage-f{ font-size:11px; color:var(--txt-3); display:flex; align-items:center; gap:6px; }
.sim{
  font-family:var(--mono); font-size:9px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--warn); border:1px solid rgba(227,165,72,.34); border-radius:3px; padding:0 4px;
}
.stage-bar{ height:2px; background:var(--line); border-radius:2px; margin-top:10px; overflow:hidden; }
.stage-bar i{ display:block; height:100%; background:var(--accent); transition:width .5s cubic-bezier(.2,.7,.3,1); }

.hist{
  width:100%; max-width:540px; border-collapse:collapse; margin-top:14px;
  font-family:var(--mono); font-size:11px;
}
.hist th{
  text-align:right; font-weight:500; color:var(--txt-3);
  letter-spacing:.08em; text-transform:uppercase; font-size:9.5px;
  padding:6px 10px; border-bottom:1px solid var(--line-soft);
}
.hist th:first-child, .hist td:first-child{ text-align:left; }
.hist td{
  text-align:right; padding:6px 10px; color:var(--txt-2);
  border-bottom:1px solid var(--line-soft); font-variant-numeric:tabular-nums;
}
.hist tr:last-child td{ border-bottom:0; }

/* ───────────────────────── body grid ───────────────────────── */

.body{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);
  gap:16px;
  align-items:stretch;
}
.col{ display:flex; flex-direction:column; gap:16px; min-width:0; }
/* the conversation absorbs whatever height the instrument column takes, so the
   two columns never leave a void beside each other */
.col-left .conv-panel{ flex:1 1 auto; min-height:360px; }

/* ───────────────────────── conversation ───────────────────────── */

.conv-panel{ display:flex; flex-direction:column; min-height:520px; }

.conv{
  flex:1 1 auto;
  min-height:0;
  display:flex; flex-direction:column;
  overflow-y:auto;
  padding-right:4px;
}
/* margin-top:auto on the inner block bottom-anchors the turns and still
   scrolls correctly, which justify-content:flex-end on the scroller does not */
.conv-inner{
  margin-top:auto;
  display:flex; flex-direction:column; gap:12px;
}
/* before the first turn the panel is a tall empty box, so centre the waiting
   state instead of leaving it stranded at the bottom of a void */
.conv.is-empty .conv-inner{ margin-bottom:auto; align-items:center; }
.conv.is-empty .empty{ text-align:center; }

.turn{ display:flex; flex-direction:column; gap:5px; }
.turn.caller{ align-items:flex-end; }
.turn.agent{ align-items:flex-start; }

.who{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.13em;
  text-transform:uppercase; color:var(--txt-3);
}

.bubble{
  max-width:92%;
  padding:12px 16px 13px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel-2);
}
.turn.caller .bubble{ border-bottom-right-radius:4px; }
.turn.agent .bubble{
  border-bottom-left-radius:4px;
  border-color:var(--accent-30);
  background:var(--accent-6);
}

/* The Arabic is the most legible thing on the page. */
.ar{
  font-family:var(--ar);
  font-size:22px;
  line-height:1.95;
  color:#f3f7fa;
  letter-spacing:0;
  word-spacing:.03em;
}
.turn.agent .ar{ color:#eafaf5; }

.live{
  margin-top:12px; padding-top:12px;
  border-top:1px dashed var(--line);
}
.live-k{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.13em;
  text-transform:uppercase; color:var(--txt-3);
  display:flex; align-items:center; gap:8px; margin-bottom:6px;
}
.live-caution{
  color:var(--warn); border:1px solid rgba(227,165,72,.3);
  border-radius:3px; padding:0 4px; letter-spacing:.1em;
}
.live-txt{
  font-family:var(--ar);
  font-size:19px;
  line-height:1.9;
  color:var(--txt-2);
  min-height:34px;
}
.live-txt::after{
  content:"";
  display:inline-block; width:2px; height:.92em;
  background:var(--accent); margin-right:4px;
  vertical-align:-.1em;
  animation:blink 1s steps(2,end) infinite;
}

/* ───────────────────────── partial revision ───────────────────────── */

.partials{ display:flex; flex-direction:column; gap:8px; }

.prow{
  border:1px solid var(--line-soft);
  border-radius:8px;
  padding:9px 12px 10px;
  background:var(--panel-2);
}
.prow.revised{ border-color:rgba(227,165,72,.36); background:rgba(227,165,72,.05); }
.prow.final{ border-color:var(--accent-30); background:var(--accent-6); }

.prow-k{
  display:flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--txt-3);
  margin-bottom:5px;
}
.tag{
  font-family:var(--mono); font-size:9px; letter-spacing:.12em; text-transform:uppercase;
  border-radius:3px; padding:1px 5px;
}
.tag.rev{ color:var(--warn); background:var(--warn-14); border:1px solid rgba(227,165,72,.34); }
.tag.fin{ color:var(--accent); background:var(--accent-14); border:1px solid var(--accent-30); }

.prow-ar{
  font-family:var(--ar);
  font-size:17px;
  line-height:1.85;
  color:var(--txt);
}
.prow.revised .prow-ar{ color:#f0e5d2; }

.diff{
  margin-top:7px; padding-top:7px;
  border-top:1px dashed rgba(227,165,72,.26);
  display:flex; flex-direction:column; gap:4px;
}
.diff-line{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.diff-k{
  font-family:var(--mono); font-size:9px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--txt-3); flex:0 0 74px;
}
.diff-ar{ font-family:var(--ar); font-size:16px; line-height:1.8; }
.diff-ar.out{ color:var(--err); text-decoration:line-through; text-decoration-thickness:1px; }
.diff-ar.in{ color:var(--accent); }

/* ───────────────────────── slots ───────────────────────── */

.slots{ display:flex; flex-direction:column; gap:12px; }
.mini-k{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.13em;
  text-transform:uppercase; color:var(--txt-3); margin-bottom:6px;
}
.raw-txt{
  font-family:var(--ar); font-size:18px; line-height:1.9; color:var(--txt);
  border:1px solid var(--line-soft); border-radius:8px;
  background:var(--panel-2); padding:9px 12px;
}

.slot-table{ width:100%; border-collapse:collapse; font-family:var(--mono); font-size:11.5px; }
.slot-table td{
  padding:6px 10px; border-bottom:1px solid var(--line-soft); vertical-align:middle;
}
.slot-table tr:last-child td{ border-bottom:0; }
/* collapse the key column to its content so the pair reads together however
   wide the panel gets */
.slot-table td:first-child{
  color:var(--txt-3); width:1%; white-space:nowrap; padding-right:30px;
}
.slot-table td:last-child{ color:var(--txt); }
.slot-empty td{ color:var(--txt-3) !important; }

.xform{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.xform .src{
  font-family:var(--ar); font-size:17px; color:var(--warn); line-height:1.8;
}
/* keep the arrow glued to the machine value, so a wrap reads
   "<arabic>" / "-> <value>" rather than stranding the arrow after the Arabic */
.xform .to{ display:inline-flex; align-items:center; gap:8px; }
.xform .arrow{ color:var(--txt-3); font-family:var(--mono); font-size:12px; }
.xform .dst{
  font-family:var(--mono); font-size:15px; color:var(--accent); font-weight:600;
  font-variant-numeric:tabular-nums;
}
tr.hi td{ background:rgba(79,214,184,.05); }
tr.dim td{ color:var(--txt-3) !important; }
.notset{ color:#44505c; font-style:normal; }

/* ───────────────────────── log ───────────────────────── */

.log-panel{ flex:0 0 auto; }
.log-panel .panel-head{ margin-bottom:8px; }
.log{
  font-family:var(--mono); font-size:11px; line-height:1.75;
  height:186px; overflow-y:auto;
  color:var(--txt-3);
}

.rev-count{
  margin-left:auto;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.11em; text-transform:uppercase;
  color:var(--txt-3); border:1px solid var(--line); border-radius:4px; padding:2px 7px;
  white-space:nowrap;
}
.rev-count.hot{ color:var(--warn); border-color:rgba(227,165,72,.34); background:var(--warn-14); }
.log-row{ display:flex; gap:10px; white-space:nowrap; }
.log-t{ color:#3f4b57; flex:0 0 auto; font-variant-numeric:tabular-nums; }
.log-y{ flex:0 0 74px; color:var(--txt-2); }
.log-m{ overflow:hidden; text-overflow:ellipsis; }
.log-row.err .log-y, .log-row.err .log-m{ color:var(--err); }
.log-row.hit .log-y{ color:var(--accent); }
.log-row.warn .log-y{ color:var(--warn); }

/* ───────────────────────── footer ───────────────────────── */

.foot{
  margin-top:22px; padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:11.5px; color:var(--txt-3);
}

/* ───────────────────────── scrollbars ───────────────────────── */

.conv::-webkit-scrollbar, .log::-webkit-scrollbar{ width:8px; }
.conv::-webkit-scrollbar-thumb, .log::-webkit-scrollbar-thumb{
  background:#1d242c; border-radius:4px;
}
.conv::-webkit-scrollbar-track, .log::-webkit-scrollbar-track{ background:transparent; }

/* ───────────────────────── responsive ───────────────────────── */

@media (max-width:1040px){
  .body{ grid-template-columns:minmax(0,1fr); }
  .conv-panel, .col-left .conv-panel{ min-height:0; }
  .conv{ max-height:52vh; }
  .log{ height:150px; }
}

@media (max-width:660px){
  .shell{ padding:18px 14px 30px; }
  .head{ gap:14px; }
  .head-state{ width:100%; justify-content:space-between; }
  h1{ font-size:15.5px; }
  .strip{ grid-template-columns:minmax(0,1fr); }
  .num{ font-size:26px; }
  .ar{ font-size:20px; }
  .bubble{ max-width:100%; }
  .controls{ gap:6px; }
  .btn{ flex:1 1 auto; }
  .controls-note{ flex:1 1 100%; margin-left:0; }
  .diff-k{ flex:0 0 100%; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
}